1.Steam pressure reducing valve 2.Outlet pressure 0.02 MPa to 1.2 Mpa 3.Size:15-200mm 4.Max. Temp. 285 C 5.ANSI DIN standard
1) It is a kind of pilot operated pressure reducing valve;
2) Main technical specifications: Materials of main parts
Item | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 |
| Parts | Material |
Resistance pressure (MPa) | 2.5 | |||||||||||||
Shell test pressure (MPa) | 3.75 | Body | WCB | |||||||||||
Seal test pressure (MPa) | 2.5 | Cover | WCB | |||||||||||
Max. inlet pressrure (MPa) | 1.6 2.5 4.0 6.4 | Seat | 2Cr13 | |||||||||||
Outlet pressure range (MPa) | 0.02~0.3 0.25~0.7 0.6~1.7 | Valve clack | 2Cr13 | |||||||||||
Pressure characteristics derivation (MPa) | GB 12244 | Pole | 2Cr13 | |||||||||||
Flow characteristics derivation (MPa) | GB 12244 | Diaphragm | 1Cr18Ni9Ti | |||||||||||
Leakage (ml/min) | GB 12245 | Adjusting spring | 60Si2Mn | |||||||||||
Medium temp. (°C) | -10~285 | |||||||||||||
Kv. | 2.8 | 5.5 | 8.1 | 12 | 17 | 28 | 45.5 | 60.1 | 93.3 | 146 | 180 | |||
3) As per Germany (DIN) , ANSI, GB standards manufactured;
Flanged hole as per PN-25.
Brass Diaphragm Pilot Operated Pressure Reducing Valves
